[Steven Merrifield] built his own Scalar Network Analyzer and it’s a beauty! [Steve]’s SNA has a digital pinout matching a Raspberry Pi, but any GPIO could be used to operate the device and ...

Network Analyzers are frequently used for measuring filters, making them extremely valuable for building radios and general mucking about with RF. They are, however, extremely expensive.

This Arduino sketch implements a SUMP protocol compatible logic analyzer. This implementation is compatible with the standard SUMP client as well as an alternative OLS client. More recently support ...